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Extruded Fin Tube

EXTRUDED FIN TUBE
  • EXTRUDED FIN TUBE
  • Extruded Fin Tube
  • Extruded Fin Tube
  • Extruded Fin Tube
  • Extruded Fin Tube
  • Hastelloy C276-Al1060 Aluminum Fin Tube
  • Extruded Fin Tube
  • Extruded Fin Tube
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Product Description

Extruded Fin Tubes  

Base Tube O.D
(mm)

Base Tube
Thickness (mm)

Fin Height
(mm)

Fin Thickness(mm)

Fin Pitch(mm)

10 mm ~38 mm

1.0 mm ~3.0 mm

6.35 mm ~ 32 mm

0.8 mm ~ 4.0 mm

2.1 mm ~ 6.0 mm

Base Tube Material

Fin Material

Tube Length (Mtr)

Carbon Steel ,Alloy Steel ,Stainless Steel,
Copper Alloy

Aluminum (Standard) or Copper

≤ 15Mtrs

Specifications︰Extruded Fin Tubes, Extruded Finned Tube

Extruded finned tube
Aluminum finned tube (steel-aluminum composite) technology parameters
Finned tube is composited with iron-aluminum or copper-aluminum tube rolling out the fin, which feathers are tightness, small heat resistance, good heat transfer performance, high strength, small flow losses, strong corrosion resistant performance, not easy to deformation and a long working lifetime in cold and hot condition,etc.
Overall rolling fin is smooth and has no burr, so it is easy to clean. It is easy to make the fin surface wet and cooled with water when makes it cold during heating air-conditioning engineering. In the situation with drying, heating and other heat exchanging, its surface is handles by anodizing, which with beautiful color and luster, and can effectively prevent surface corrosion.
Aluminum rolling finned tube is rolling as a whole by the aluminum tube, which has the feather that no contact thermal resistance, high strength, thermal shock and mechanical shock, good thermal performance, and considerable expansion heat transfer surface. The heat exchanger with this kind of finned tube is ahead of the string or around the plate ones.
According to user needs, we can produce all kinds of steel strip winding finned tube and steel aluminum composite finned tube.
As the heat transfer element finned tube works long-term in high temperature and flue gas condition, such as finned tube in the boiler heat exchanger which use conditions are as high temperature and high pressure and corrosive atmosphere, should have a high performance metrics and they are as follows:Anti-corrosion ,Anti-wear,lower contact resistance ,Higher Stability,Anti-dust stratification.

Fabrication:
The extruded fin tubes are produced by compressing an aluminum tube, or sleeve, onto the base tube. The bloom is exposed to very high pressures which essentially "grows" the fins into the final fin profiles.This process manufacture an excellent strong joint with great resistance (fin stiffness) as well as exceptional heat transfer capabilities (longevity, temperature range). The advantage of extruded fin tubes are full protection of bare tube against corrosion and fin has high mechanical strength. Extruded finned tubes provide the most stable performance over time as compared to the other fin types. The fin is rolled from an outer aluminum tube by a process using pressure to create a rolled "pressure bond" between the liner tube and fins. The aluminum fin material completely encloses the tube, except at the ends where a tube coating can be applied.

Application:
Primaily extruded finned tubes are used in high temperature conditions and corrosive atmospheric conditions, such as operating temperatures less than 300°C or off-shore applications,heat pipes air to air heat exchangers for HVAC applications,air dehumidification in air treatment plants, energy recovery in air exaust system. This kind of fin design is the least economical as compared to the other fin types, main reason due to the increased amount of aluminum used around 40% also increased labors during the manufacturing. However this increased cost can be compensated if using lower grade parent tube material.

Max. Working Temperature: 300 °C
Atmospheric Corrorsion Resisitance: OK
Mechanical Resistance: Poor
Fin Material: Copper, Aluminum
Base Tube materials: Any material available, such as Carbon steel Tube, A179, A192, A210, stainless tube A269/A213 T5 T11 T22 304 316
Bare tube OD: 8-51mm
Fin pitch: 1.6-10mm
Fin height: <17mm
Fin thickness: 0.2-0.4mm
Product Image

EXTRUDED FIN TUBE
EXTRUDED FIN TUBE





Hastelloy C276-Al1060 Aluminum Fin Tube
Hastelloy C276-Al1060 Aluminum Fin Tube



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